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Finding the Fourth Proportional to 223.02, 334.23 and 114.88

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Solution

The fourth proportional to 223.02, 334.23 and 114.88 is: 172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.02 : 334.23 = 114.88 : x
  2. Step 2: Convert to fraction form
    223.02/334.23 = 114.88/x
  3. Step 3: Cross multiply
    223.02x = 334.23 × 114.88
  4. Step 4: Simplify right side
    223.02x = 38,396.34
  5. Step 5: Solve for x
    x = 38,396.34/223.02
  6. Step 6: Final answer
    x = 172.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.